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Sun J, Li J, Ren R, Yao L, Tong L, Yuan J, Wang D. Effect of Chitosan and Hyperbranched Poly-L-Lysine Treatment on Quality of Cucumber ( Cucumis sativus L.) during Storage. Foods 2024; 13:1354. [PMID: 38731725 PMCID: PMC11083981 DOI: 10.3390/foods13091354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/18/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024] Open
Abstract
To enhance the storage time of cucumbers, this research investigated the impact of chitosan (CS) and hyperbranched poly-L-lysine (HBPL) on the quality and nutritional attributes of cucumbers when stored at a temperature of 25 °C. The results demonstrated that sensory evaluation scores for cucumbers treated with a CS-HBPL combination were significantly higher than the control (CK), CS, and HBPL groups. On the 18th day of storage, cucumbers in the CK group exhibited significant decay and softening; however, there was a decrease in hardness observed in the CS-HBPL group and no decay or noticeable sour taste was detected. Furthermore, compared to the CK group, treatment with CS-HBPL effectively delayed cucumber decay and weight loss rate while significantly inhibiting decreases in cucumber hardness and growth of surface microorganisms. Additionally, it substantially reduced losses of soluble protein content as well as vitamin C (Vc), reducing sugars, and total phenolic compounds within cucumbers, which were 4.7 mg/g, 4.7 mg/g, 0.94 mg/g, and 0.52 mg/kg, respectively. Moreover, compared to the CK group, combined treatment with CS-HBPL significantly inhibited malondialdehyde (MDA) accumulation and reducing relative electrolyte permeability within cucumbers, which were 1.45 μmol·g-1FW and 29.82%. Furthermore, it notably enhanced activities of superoxide dismutase (SOD) and catalase (CAT), while exerting a significant inhibitory effect on polyphenol oxidase (PPO). In summary, the combined CS-HBPL treatment successfully prolonged cucumber shelf life at room temperature, enabling new possibilities for extending cucumber shelf life.
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Affiliation(s)
- Jianrui Sun
- College of Food and Bioengineering, Henan Engineering Research Center of Food Microbiology, Henan University of Science and Technology, Luoyang 471023, China; (J.L.); (R.R.); (L.Y.); (L.T.); (J.Y.); (D.W.)
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2
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Yi K, Miao S, Yang B, Li S, Lu Y. Harnessing the Potential of Chitosan and Its Derivatives for Enhanced Functionalities in Food Applications. Foods 2024; 13:439. [PMID: 38338575 PMCID: PMC10855628 DOI: 10.3390/foods13030439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 01/20/2024] [Accepted: 01/22/2024] [Indexed: 02/12/2024] Open
Abstract
As one of the most abundant natural polysaccharides that possess good biological activity, chitosan is extracted from chitin. Its application in the food field is being increasingly valued. However, chitosan extraction is difficult, and its poor solubility limits its application. At present, the extraction methods include the acid-base method, new chemical methods, and biological methods. The extraction rates of chitin/chitosan are 4-55%, 13-14%, and 15-28%, respectively. Different chemical modifications have different effects on chitosan, making it applicable in different fields. This article reviews and compares the extraction and chemical modification methods of chitosan, emphasizing the importance of green extraction methods. Finally, the application prospects of chitosan in the food industry are discussed. This will promote the understanding of the advantages and disadvantages of different extraction methods for chitosan as well as the relationship between modification and application, providing valuable insights for the future development of chitosan.
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Affiliation(s)
- Kexin Yi
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (K.Y.); (S.M.); (B.Y.); (S.L.)
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Shiyuan Miao
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (K.Y.); (S.M.); (B.Y.); (S.L.)
| | - Bixing Yang
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (K.Y.); (S.M.); (B.Y.); (S.L.)
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Sijie Li
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (K.Y.); (S.M.); (B.Y.); (S.L.)
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Yujie Lu
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (K.Y.); (S.M.); (B.Y.); (S.L.)
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
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3
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Bradu P, Biswas A, Nair C, Sreevalsakumar S, Patil M, Kannampuzha S, Mukherjee AG, Wanjari UR, Renu K, Vellingiri B, Gopalakrishnan AV. Recent advances in green technology and Industrial Revolution 4.0 for a sustainable future. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:124488-124519. [PMID: 35397034 PMCID: PMC8994424 DOI: 10.1007/s11356-022-20024-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 03/28/2022] [Indexed: 05/06/2023]
Abstract
This review gives concise information on green technology (GT) and Industrial Revolution 4.0 (IR 4.0). Climate change has begun showing its impacts on the environment, and the change is real. The devastating COVID-19 pandemic has negatively affected lives and the world from the deadly consequences at a social, economic, and environmental level. In order to balance this crisis, there is a need to transition toward green, sustainable forms of living and practices. We need green innovative technologies (GTI) and Internet of Things (IoT) technologies to develop green, durable, biodegradable, and eco-friendly products for a sustainable future. GTI encompasses all innovations that contribute to developing significant products, services, or processes that lower environmental harm, impact, and worsening while augmenting natural resource utilization. Sensors are typically used in IoT environmental monitoring applications to aid ecological safety by nursing air or water quality, atmospheric or soil conditions, and even monitoring species' movements and habitats. The industries and the governments are working together, have come up with solutions-the Green New Deal, carbon pricing, use of bio-based products as biopesticides, in biopharmaceuticals, green building materials, bio-based membrane filters for removing pollutants, bioenergy, biofuels and are essential for the green recovery of world economies. Environmental biotechnology, Green Chemical Engineering, more bio-based materials to separate pollutants, and product engineering of advanced materials and environmental economies are discussed here to pave the way toward the Sustainable Development Goals (SDGs) set by the UN and achieve the much-needed IR 4.0 for a greener-balanced environment and a sustainable future.
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Affiliation(s)
- Pragya Bradu
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Antara Biswas
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Chandralekha Nair
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Salini Sreevalsakumar
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Megha Patil
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Sandra Kannampuzha
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Anirban Goutam Mukherjee
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Uddesh Ramesh Wanjari
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Kaviyarasi Renu
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
- Department of Biochemistry, Saveetha Dental College & Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India, 600 007
| | - Balachandar Vellingiri
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore, 641046, Tamil Nadu, India
| | - Abilash Valsala Gopalakrishnan
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
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Lourenco AB, Casajús V, Ramos R, Massolo F, Salinas C, Civello P, Martínez G. Postharvest shelf life extension of minimally processed kale at ambient and refrigerated storage by use of modified atmosphere. FOOD SCI TECHNOL INT 2023:10820132231195379. [PMID: 37608535 DOI: 10.1177/10820132231195379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Kale is becoming an important vegetable worldwide, mainly due to its nutritional properties. Kale leaves can be marketed whole, although minimal processing is also in demand. In this article, it was analyzed the effect of packaging in a modified atmosphere of fresh-cut kale leaves stored at 20 °C and 4 °C. Kale leaves were cut into 4 × 4 cm strips and stored in low-density polyethylene bags. Samples processed in the same way but stored in PVC were used as controls. Leaves kept in a modified atmosphere showed a delay in color change with Hue values from about 130 to 120 under PMA against 130 to 100 in control group (CTR) leaves. Chlorophyll degradation was also delayed in both storage temperatures. Samples stored under PMA showed about two times the levels of total chlorophylls with respect to CTR samples at the end of the storage. No changes in total sugar content were detected during storage and no differences were detected between control and modified atmospheres stored samples. Samples maintained in a modified atmosphere showed a lower decrement in soluble proteins and a lower rate of RUBISCO degradation at both temperatures. The relation of RUBISCO content PMA/CTR ranged from 1 to about 3 toward the end of storage No changes in phenols content were found when comparing control and treated samples. However, flavonoid and the antioxidant contents increased in samples stored in modified atmospheres with respect to their controls. We demonstrated that storage in modified atmospheres could be an adequate and simple methodology to extend postharvest life of this minimally processed product at both ambient and refrigerated storage.
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Affiliation(s)
| | | | - Romina Ramos
- Instituto de Fisiología Vegetal (INFIVE), La Plata, Argentina
| | - Facundo Massolo
- Instituto de Fisiología Vegetal (INFIVE), La Plata, Argentina
- Laboratorio de Investigación en Productos Agroindustriales (LIPA), La Plata, Argentina
| | - Corel Salinas
- Instituto de Fisiología Vegetal (INFIVE), La Plata, Argentina
| | - Pedro Civello
- Instituto de Fisiología Vegetal (INFIVE), La Plata, Argentina
- Facultad de Ciencias Exactas. Universidad Nacional de La Plata (UNLP), La Plata, Argentina
| | - Gustavo Martínez
- Instituto de Fisiología Vegetal (INFIVE), La Plata, Argentina
- Facultad de Ciencias Exactas. Universidad Nacional de La Plata (UNLP), La Plata, Argentina
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Chit CS, Olawuyi IF, Park JJ, Lee WY. Effect of Composite Chitosan/Sodium Alginate Gel Coatings on the Quality of Fresh-Cut Purple-Flesh Sweet Potato. Gels 2022; 8:747. [PMID: 36421569 PMCID: PMC9689777 DOI: 10.3390/gels8110747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/10/2022] [Accepted: 11/16/2022] [Indexed: 09/28/2023] Open
Abstract
In this study, single-layer coating using chitosan (Ch) and sodium alginate (SA) solutions and their gel coating (ChCSA) formed by layer-by-layer (LbL) electrostatic deposition using calcium chloride (C) as a cross linking agent were prepared to improve storage qualities and shelf-life of fresh-cut purple-flesh sweet potatoes (PFSP). The preservative effects of single-layer coating in comparison with LbL on the quality parameters of fresh-cut PFSP, including color change, weight loss, firmness, microbial analysis, CO2 production, pH, solid content, total anthocyanin content (TAC), and total phenolic content (TPC) were evaluated during 16 days of storage at 5 °C. Uncoated samples were applicable as a control. The result established the effectiveness of coating in reducing microbial proliferation (~2 times), color changes (~3 times), and weight loss (~4 times) with negligible firmness losses after the storage period. In addition, TAC and TPC were better retained in the coated samples than in the uncoated samples. In contrast, quality deterioration was observed in the uncoated fresh cuts, which progressed with storage time. Relatively, gel-coating ChCSA showed superior effects in preserving the quality of fresh-cut PFSP and could be suggested as a commercial method for preserving fresh-cut purple-flesh sweet potato and other similar roots.
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Affiliation(s)
- Chit-Swe Chit
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Ibukunoluwa Fola Olawuyi
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Jong Jin Park
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea
- Coastal Agricultural Research Institute, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Won Young Lee
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea
- Research Institute of Tailored Food Technology, Kyungpook National University, Daegu 41566, Republic of Korea
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Development and Characterization of Biocomposite Films Based on Polysaccharides Derived from Okra Plant Waste for Food Packaging Application. Polymers (Basel) 2022; 14:polym14224884. [PMID: 36433011 PMCID: PMC9692357 DOI: 10.3390/polym14224884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/09/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022] Open
Abstract
Polysaccharide-based composite films were developed using mucilage polysaccharides (OLP) and carboxymethyl cellulose (CMC) extracted from okra leafstalk wastes. The rheological properties of biocomposite OLP/CMC film-forming solutions were characterized using the Power-law model, and fabricated films were characterized for their potential food packaging applications. OLP/CMC solutions exhibited pseudo-plastic fluid characteristics and differences in rheological behavior (n, 0.478-0.743), and flow consistency (K, 1.731-9.154) with increasing content of OLP (5 to 30 % w/w of CMC) were associated with variations in the physical, mechanical, and barrier properties of films. Surface hydrophobicity (24%) increased and oxygen (39%) and water vapor (32%) permeability reduced in OLP/CMC films containing up to 10% OLP. Moreover, a higher content of OLP enhanced the antioxidant activity and thermal stability of OLP/CMC films. Subsequently, OLP/CMC was applied as a coating to preserve cherry tomatoes for 14 days at 30 °C. Quality deterioration characterized by high weight loss (22%), firmness loss (74.62%), and discoloration (∆E, 21.26) occurred in uncoated tomatoes and were within unusable/unmarketable limits based on their visual quality score. In contrast, OLP/CMC effectively minimized quality losses, and coated tomatoes exceeded the limit of marketability after 14 days of storage. This study successfully applied value-added polysaccharides derived from okra plant residues for edible food packaging.
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Ding D, Yu H, Yin Y, Yuan Y, Li Z, Li F. Determination of Chlorophyll and Hardness in Cucumbers by Raman Spectroscopy with Successive Projections Algorithm (SPA) – Extreme Learning Machine (ELM). ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2123922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- Daining Ding
- College of Food & Bioengineering, Henan University of Science & Technology, Luoyang, China
| | - Huichun Yu
- College of Food & Bioengineering, Henan University of Science & Technology, Luoyang, China
| | - Yong Yin
- College of Food & Bioengineering, Henan University of Science & Technology, Luoyang, China
| | - Yunxia Yuan
- College of Food & Bioengineering, Henan University of Science & Technology, Luoyang, China
| | - Zhaozhou Li
- College of Food & Bioengineering, Henan University of Science & Technology, Luoyang, China
| | - Fang Li
- College of Food & Bioengineering, Henan University of Science & Technology, Luoyang, China
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Effects of preharvest applications of chemicals and storage conditions on the physico-chemical characteristics and shelf life of tomato (Solanum lycopersicum L.) fruit. Heliyon 2022; 8:e09494. [PMID: 35711995 PMCID: PMC9192814 DOI: 10.1016/j.heliyon.2022.e09494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/25/2022] [Accepted: 05/14/2022] [Indexed: 11/24/2022] Open
Abstract
The aim of this study was to investigate the influence of preharvest sprays of chemicals and evaporative cooling (ZECC) on the postharvest physico-chemical quality and shelf life of tomatoes. The experiment was conducted using a combination of ten preharvest sprays of chemicals (chitosan (0.1%), chitosan (0.3%), chitosan (0.5%), salicylic acid (SA) (0.015%), SA (0.03%), SA (0.045%), calcium chloride (CaCl2) (1%), CaCl2 (3%), CaCl2 (5%) and control) and two storage conditions (ambient environment storage and ZECC). The design of the experiment was completely randomized design with three replications. Data were collected from tomato samples (Solanum lycopersicum L. cv. ARP tomato D2) on four days interval. The result showed that all physico-chemical quality indicators were significantly (p ≤ 0.05) affected by both preharvest sprays and storage conditions. CaCl2 (5%) sprays extended the shelf life of tomato by 6 days in ZECC and 11 days in ambient storage compared to the control. The highest concentration of CaCl2 and SA sprays minimized PLW and maintained fruit marketability compared to the control. The firmness of tomatoes was better retained with the sprays of SA (0.045%) in both storage conditions. CaCl2 (5%), SA (0.045%) and chitosan (0.5%) sprays retained the titratable acidity by 42.86%, 47.62% and 33.33%, respectively compared to the control inside ZECC storage. At the end of storage period, the highest TSS was observed on tomatoes sprayed with SA (0.03%) followed by chitosan (0.1%) and chitosan (0.3%). The lycopene contents were lower with sprays of SA (0.045%), SA (0.03%), CaCl2 (3%), CaCl2 (5%) and chitosan (0.1%) stored inside ZECC indicating the effectiveness of preharvest sprays in delaying lycopene accumulation. Moreover, the AA contents of tomatoes sprayed with CaCl2 (5%), SA (0.045%) and chitosan (0.1%) were higher by 34.10%, 38.19% and 23.84%, respectively compared to the control. The result indicated that combining preharvest chemical sprays and ZECC storage is important to maintain the physico-chemical quality and shelf life of tomatoes.
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Effect of Cold Shock Pretreatment Combined with Perforation-Mediated Passive Modified Atmosphere Packaging on Storage Quality of Cucumbers. Foods 2022; 11:foods11091267. [PMID: 35563988 PMCID: PMC9105291 DOI: 10.3390/foods11091267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 04/22/2022] [Accepted: 04/26/2022] [Indexed: 12/29/2022] Open
Abstract
This study evaluated the application of cold shock combined with perforation-mediated passive modified atmosphere packaging technology (CS-PMAP) for cucumber preservation through physicochemical, sensory, and nutritional qualities. The effectiveness of CS-PMAP in maintaining the quality of fresh cucumbers was studied; cucumbers were pretreated with cold shock and then packed into perforated polyethylene bags (bag size of 20 × 30 cm; film thickness of 0.07 mm; and two holes in each bag with a diameter of 6 mm), while the cucumbers without cold shock were considered as the control. Storage of the samples was performed at (13 ± 2) °C for 20 days to determine the quality changes in terms of gas composition, weight loss, skin color, texture, total soluble solids (TSS), ascorbic acid, malondialdehyde (MDA), and volatile organic compounds (VOCs). The CS-PMAP showed a significant improvement in maintaining firmness, TSS, ascorbic acid, and flavor profile of cucumbers; the control samples without cold shock showed higher weight loss and MDA levels. Results of this study confirmed that CS-PMAP has potential use in the storage of cucumbers.
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Recent Advancements of Polysaccharides to Enhance Quality and Delay Ripening of Fresh Produce: A Review. Polymers (Basel) 2022; 14:polym14071341. [PMID: 35406215 PMCID: PMC9003407 DOI: 10.3390/polym14071341] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 03/14/2022] [Accepted: 03/16/2022] [Indexed: 02/01/2023] Open
Abstract
The freshness of fruits and vegetables plays a significant role in consumers' decision to purchase a product at the supermarket. Fresh-cut products are the latest trend in fulfilling society's restless needs, and the food industry is faced with the challenge of maintaining the quality of fresh produce. The food industry is concerned with the natural maturation and degradation of fruits and vegetables, primarily due to enzymatic reactions. It has been demonstrated that polysaccharide coatings effectively preserve the freshness of these products, extending their shelf life depending on the preservation method used. This review informs readers about the different types of polysaccharides and their novel applications as natural food preservatives in the past five years (2018-2022). The key findings summarized the properties of the antimicrobial agent, the molecular mechanism of action, coating methods, and formulation for the preservation approach. Additionally, we discuss the scientific factors influencing polysaccharide processing and preservation efficacy, allowing it to be used in post-harvest management.
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Abdelgawad KF, Awad AHR, Ali MR, Ludlow RA, Chen T, El-Mogy MM. Increasing the Storability of Fresh-Cut Green Beans by Using Chitosan as a Carrier for Tea Tree and Peppermint Essential Oils and Ascorbic Acid. PLANTS (BASEL, SWITZERLAND) 2022; 11:783. [PMID: 35336665 PMCID: PMC8954194 DOI: 10.3390/plants11060783] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/12/2022] [Accepted: 03/14/2022] [Indexed: 06/14/2023]
Abstract
The quality of fresh-cut green beans deteriorates rapidly in storage, which contributes to increased food waste and lower perceived customer value. However, chitosan (Cs) and certain plant essential oils show promise in reducing postharvest quality loss during storage. Here, the effect of Cs and the combinations of Cs + tea tree oil (TTO), Cs +x peppermint oil (PMO), and Cs + ascorbic acid (AsA) on the quality of fresh-cut green bean pods (FC-GB) is studied over a 15-d storage period at 5 °C. All four FC-GB treatments reduced weight loss and maintained firmness during storage when compared to uncoated FC-GB. Furthermore, all treatments showed higher total chlorophyll content, AsA, total phenolic compounds, and total sugars compared to the control. The best treatment for reducing microbial growth was a combination of Cs + AsA. Additionally, the combination of Cs with TTO, PMO, or AsA showed a significant reduction in the browning index and increased the antioxidant capacity of FC-GB up to 15 d postharvest.
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Affiliation(s)
- Karima F. Abdelgawad
- Vegetable Crops Department, Faculty of Agriculture, Cairo University, Giza 12613, Egypt; (K.F.A.); (A.H.R.A.)
| | - Asmaa H. R. Awad
- Vegetable Crops Department, Faculty of Agriculture, Cairo University, Giza 12613, Egypt; (K.F.A.); (A.H.R.A.)
| | - Marwa R. Ali
- Food Science Department, Faculty of Agriculture, Cairo University, Giza 12613, Egypt;
| | - Richard A. Ludlow
- School of Biosciences, Cardiff University, Sir Martin Evans Building, Cardiff CF10 3AX, UK;
| | - Tong Chen
- Key Laboratory of Plant Resources, Institute of Botany, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing 100093, China;
| | - Mohamed M. El-Mogy
- Vegetable Crops Department, Faculty of Agriculture, Cairo University, Giza 12613, Egypt; (K.F.A.); (A.H.R.A.)
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12
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Inhibitory effect of modified atmosphere packaging on Escherichia coli O157:H7 in fresh-cut cucumbers (Cucumis sativus L.) and effectively maintain quality during storage. Food Chem 2022; 369:130969. [PMID: 34500206 DOI: 10.1016/j.foodchem.2021.130969] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/27/2022]
Abstract
Modified atmosphere packaging (MAP) can inhibit microbial growth and prolong shelf life of fresh-cut cucumbers. This study compared the effects of different packaging gases on the growth of E. coli O157:H7 and sensory characteristics of fresh-cut cucumbers. Changes in key movement, adhesion, and oxidative stress genes expression of strain under optimal MAP and air were determined. Cell population density, the extracellular carbohydrate complex content and expression of curli fimbriae were evaluated. Results revealed that the growth of E. coli O157:H7 in fresh-cut cucumbers could be effectively inhibited under MAP (atmosphere = 2% O2, 7% CO2, 91% N2), and better maintained the sensory characteristics. Furthermore, the inhibition mechanism was revealed by inhibiting the expression of movement (fliC), adhesion (eaeA) and oxidative stress (rpoS and sodB) genes in E. coli O157:H7, reducing biofilm formation, extracellular carbohydrate production and curli fimbriae expression. Proper MAP can maintain the quality and safety of fresh-cut cucumbers.
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Byun S, Chen C, Yin H, Patel J. Antimicrobial Effect of Natural Fruit Extracts against
Salmonella
on Whole and Fresh‐cut Cucumbers. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Suyeun Byun
- U.S. Department of Agriculture, Agricultural Research Service Environmental and Food Safety Microbiology Laboratory Beltsville MD USA
| | - Chi‐Hung Chen
- U.S. Department of Agriculture, Agricultural Research Service Environmental and Food Safety Microbiology Laboratory Beltsville MD USA
| | - Hsin‐Bai Yin
- U.S. Department of Agriculture, Agricultural Research Service Environmental and Food Safety Microbiology Laboratory Beltsville MD USA
| | - Jitendra Patel
- U.S. Department of Agriculture, Agricultural Research Service Environmental and Food Safety Microbiology Laboratory Beltsville MD USA
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14
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Esfandiyari Mehni M, Samadlouie HR, Rajaei A. Enhancement of oil productivity of Mortierella alpine and investigation into the potential of Pickering oil-in-water emulsions to improve its oxidative stability. Food Sci Nutr 2022; 10:103-114. [PMID: 35035913 PMCID: PMC8751445 DOI: 10.1002/fsn3.2651] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 09/22/2021] [Accepted: 10/18/2021] [Indexed: 11/11/2022] Open
Abstract
Mortierella alpine is an oleaginous fungi known for its tendency to produce oil and polyunsaturated fatty acid. Initial experiment indicated that magnesium oxide nanoparticles (MgONPs) accelerated glucose consumption and, consequently, oil production. After enhancement of Mortierella alpine CBS 754.68' oil production, the oxidative stability of the oil rich in long-chain polyunsaturated fatty acids (arachidonic acid) encapsulated by modified chitosan (CS) was assayed. To confirm the modification of CS, Fourier transform infrared spectroscopy (FTIR) spectrum indicated that the connection between CS and capric acid (CA) as well as stearic acid (SA) was well formed, leading to a considerable improvement in nanoparticle formation, measured by the SEM photographs, and physical and oxidative stability of emulsions. The oxidative stability of Mortierella alpine' oil emulsion in a period of 20 days at ambient temperature was monitored. Of all treated media, CS-SA nanoparticles were of the most oxidative stability. The rheological tests showed that viscosity behaviors were dominated by elastic behaviors in the impregnating emulsion with unmodified CS at the applied frequencies, and the elastic behavior of the emulsion sample prepared with CS-SA was slightly higher than that of the emulsion prepared with CS-CA. The results of redispersibility indicated that the powdered emulsion stabilized by CS-SA had the lowest water absorption.
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Affiliation(s)
- Marjan Esfandiyari Mehni
- Department of Food Science and TechnologyFaculty of AgricultureShahrood University of TechnologyShahroodIran
| | - Hamid Reza Samadlouie
- Department of Food Science and TechnologyFaculty of AgricultureShahrood University of TechnologyShahroodIran
| | - Ahmad Rajaei
- Department of Food Science and TechnologyFaculty of AgricultureShahrood University of TechnologyShahroodIran
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15
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Šuput D, Filipović V, Lončar B, Nićetin M, Knežević V, Lazarević J, Plavšić D, Popović S, Hromiš N. Influence of biopolymer coatings on the storage stability of osmotically dehydrated mushrooms. FOOD AND FEED RESEARCH 2022. [DOI: 10.5937/ffr49-35821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The main aim of this research was to apply biopolymer coatings on osmotically dehydrated mushrooms and monitor their quality during storage. Mushrooms were osmotically dehydrated in sugar beet molasses (80% dry matter) under optimized conditions (45 °C for 5 hours), as previously reported elsewhere. Two different biopolymers were chosen: chitosan, a polysaccharide polymer, and zein, a protein polymer. A non-treated mushroom sample was chosen as a control sample. The mushroom samples were analysed for sugar and protein content, as well as water loss and microbiological profile. An increase in sugar content was the most noticeable in the osmotically dehydrated mushrooms compared to the control sample due to the use of molasses as a hypertonic solution. The contribution of used biopolymer coatings to the sugar and protein content of the coated and osmotically treated mushrooms was negligible. Chitosan coating contributed to better storage stability of treated mushrooms by lowering the moisture loss and microbial count. For this reason, chitosan treated sample was chosen for further examination related to the evaluation of its baking potential as a filling in a traditional stuffed pie-like layered bakery product - burek. Burek was stuffed with fresh mushrooms, osmotically treated mushrooms or osmotically treated mushrooms coated with chitosan. The sensorial assessment proved that control burek and burek samples with osmotically dehydrated mushrooms coated with chitosan were the most preferred groups based on odour and overall impression.
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16
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Šuput D, Filipović V, Lončar B, Nićetin M, Knežević V, Lazarević J, Plavšić D, Popović S, Hromiš N. Influence of biopolymer coatings on the storage stability of osmotically dehydrated mushrooms. FOOD AND FEED RESEARCH 2022. [DOI: 10.5937/ffr0-35821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
The main aim of this research was to apply biopolymer coatings on osmotically dehydrated mushrooms and monitor their quality during storage. Mushrooms were osmotically dehydrated in sugar beet molasses (80% dry matter) under optimized conditions (45 °C for 5 hours), as previously reported elsewhere. Two different biopolymers were chosen: chitosan, a polysaccharide polymer, and zein, a protein polymer. A non-treated mushroom sample was chosen as a control sample. The mushroom samples were analysed for sugar and protein content, as well as water loss and microbiological profile. An increase in sugar content was the most noticeable in the osmotically dehydrated mushrooms compared to the control sample due to the use of molasses as a hypertonic solution. The contribution of used biopolymer coatings to the sugar and protein content of the coated and osmotically treated mushrooms was negligible. Chitosan coating contributed to better storage stability of treated mushrooms by lowering the moisture loss and microbial count. For this reason, chitosan treated sample was chosen for further examination related to the evaluation of its baking potential as a filling in a traditional stuffed pie-like layered bakery product-burek. Burek was stuffed with fresh mushrooms, osmotically treated mushrooms or osmotically treated mushrooms coated with chitosan. The sensorial assessment proved that control burek and burek samples with osmotically dehydrated mushrooms coated with chitosan were the most preferred groups based on odour and overall impression.
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17
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Olawuyi IF, Kim SR, Lee WY. Application of plant mucilage polysaccharides and their techno-functional properties' modification for fresh produce preservation. Carbohydr Polym 2021; 272:118371. [PMID: 34420702 DOI: 10.1016/j.carbpol.2021.118371] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 06/21/2021] [Accepted: 06/21/2021] [Indexed: 01/06/2023]
Abstract
The use of edible coating/film to improve fresh produce's quality and shelf life is an old but reliable and popular method of preservation. Recently, plant-derived mucilages have been extensively used to prepare edible packages (MEPs). This review focuses on recent studies that characterize mucilages from different plants, and examine their specific applications as edible packages in preserving fruits and vegetables. Structure-function relations and corresponding influence on film-forming properties are discussed. This review also surveys the additive-modifications of MEPs techno-functional properties. MEPs from a range of plant sources are effective in preventing quality loss and improving the storability of various fruits and vegetables. The preservative mechanisms and essential techno-functional properties of MEPs required for fruit and vegetable packaging were summarized. The key findings summarized in this study will help promote the utilization of mucilages and draw attention to other novel applications of this valuable polymer.
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Affiliation(s)
- Ibukunoluwa Fola Olawuyi
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea.
| | - Soo Rin Kim
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Won Young Lee
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea.
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18
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Zambrano-Zaragoza ML, Quintanar-Guerrero D, González-Reza RM, Cornejo-Villegas MA, Leyva-Gómez G, Urbán-Morlán Z. Effects of UV-C and Edible Nano-Coating as a Combined Strategy to Preserve Fresh-Cut Cucumber. Polymers (Basel) 2021; 13:polym13213705. [PMID: 34771260 PMCID: PMC8587939 DOI: 10.3390/polym13213705] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/16/2021] [Accepted: 10/21/2021] [Indexed: 12/11/2022] Open
Abstract
The objective of this study was to evaluate the effectiveness of a combination of UV-C disinfection treatment and a nano-coating lemon essential oil nanocapsules. The nanocapsules were prepared by ionic gelation with an alginate-pectin wall and the lemon essential oil had a particle size of 219 ± 22 nm and a zeta potential of -7.91 ± 0.18 mV. The lemon essential oil had an encapsulation efficiency of 68.19 ± 1.18%. The fresh-cut cucumber was stored for 15 days at 4 °C. Six formulations of nanocapsules were evaluated, and hydroxypropyl methylcellulose was used as matrix polysaccharide in four coatings. Three formulations were treated with UV-C at 4.5 kJ/m2. The results showed that the combination of UV-C and nano-coatings (lemon essential oil = 200 mg/L) increased the shelf life by up to 15 days. Using UV-C and nano-coatings, the ∆E value was 7.12 at the end of the storage period, while the Control samples had an ∆E of 28.1. With nano-coating treatment, the amount of polyphenols decreased by 23% within 9 days. In contrast, with combined UV-C and nano-coating treatment, the amount of polyphenols was reduced by 38.84% within 15 days. The antioxidant capacity remained stable at 459 μmol TE/100 g for the fresh product when the combined treatment was used. A good correlation was also observed between the increasing of the fruit's shelf life and decreasing of its enzymatic activity. The inclusion of UV-C treatment contributed to the reduction in the initial total bacteria at 3.30 log CFU/g and its combination with nano-coatings helped in the control of microbial growth during storage.
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Affiliation(s)
- María L. Zambrano-Zaragoza
- Laboratorio de Procesos de Transformación y Tecnologías Emergentes de Alimentos, UNAM, FES-Cuautitlán, Cuautitlan Izcalli Z.P. 54714, Mexico; (R.M.G.-R.); (M.A.C.-V.)
- Correspondence: ; Tel.: +52-5556231999 (ext. 39406)
| | - David Quintanar-Guerrero
- Laboratorio de Posgrado en Tecnología Farmacéutica, Universidad Nacional Autónoma de México, FES-Cuautitlán, Cuautitlan Izcalli Z.P. 54740, Mexico;
| | - Ricardo M. González-Reza
- Laboratorio de Procesos de Transformación y Tecnologías Emergentes de Alimentos, UNAM, FES-Cuautitlán, Cuautitlan Izcalli Z.P. 54714, Mexico; (R.M.G.-R.); (M.A.C.-V.)
| | - María A. Cornejo-Villegas
- Laboratorio de Procesos de Transformación y Tecnologías Emergentes de Alimentos, UNAM, FES-Cuautitlán, Cuautitlan Izcalli Z.P. 54714, Mexico; (R.M.G.-R.); (M.A.C.-V.)
| | - Gerardo Leyva-Gómez
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico Z.P. 04510, Mexico;
| | - Zaida Urbán-Morlán
- Centro de Información de Medicamentos, Facultad de Química, Universidad Autónoma de Yucatán, Mérida Z.P. 97069, Mexico;
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Extending Shelf Life and Maintaining Quality of Tomato Fruit by Calcium Chloride, Hydrogen Peroxide, Chitosan, and Ozonated Water. HORTICULTURAE 2021. [DOI: 10.3390/horticulturae7090309] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Tomatoes are perishable fruit that makes them deteriorate rapidly during the post-harvest chain. Therefore, the effect of calcium chloride (CaCl2), chitosan, hydrogen peroxide (H2O2), and ozonated water on the storage abil\ity and quality of tomato fruit (Solanumlycopersicum L. cv. 448) stored at 10 °C for 28 d was studied. Weight loss, firmness, fruit color, total soluble solids (TSS), titratable acidity, total carotenoids, and ascorbic acid content (AsA) of treated tomato fruit were recorded. Our results revealed that all tested treatments significantly extended the shelf-life and maintained quality of tomato fruit compared to the control. Chitosan and CaCl2 were the most effective treatments in maintaining quality attributes. Furthermore, a correlation study suggested that AsA and total carotenoids played a vital role in conserving tomato fruit quality during storage. PC1 had strong positive loading for pH, appearance, firmness, AsA, TSS, carotene, fruit color (L* & b*) and a strong negative loading for lycopene content, color (a), weight loss, and color index. PC2 had high positive loading for total acidity and total sugar content.
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20
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Jung J, Schaffner DW. Quantification of Survival and Transfer of Salmonella on Fresh Cucumbers during Waxing. J Food Prot 2021; 84:456-462. [PMID: 33125056 DOI: 10.4315/jfp-20-375] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 10/27/2020] [Indexed: 11/11/2022]
Abstract
ABSTRACT Cucumbers found in retail markets are often waxed to improve visual appeal and retard moisture loss. This waxing may affect bacterial survival, and the waxing process may facilitate cross-contamination between cucumbers. This study assessed the survival of Salmonella on waxed and unwaxed cucumbers and the potential for Salmonella cross-contamination during the waxing process. Fresh waxed or unwaxed cucumbers were spot inoculated with a cocktail of Salmonella enterica strains. Three different wax coatings (mineral oil, vegetable oil, or petroleum wax) were manually applied to unwaxed cucumbers using polyethylene brushes. Salmonella transfer from inoculated cucumbers to the brush or to uninoculated cucumbers was quantified. Higher Salmonella concentrations were observed on waxed cucumbers during the first 3 days of storage, but the final concentration on unwaxed cucumbers was higher than on waxed cucumbers at the end of storage, regardless of storage temperature. The wax formulation did affect the survival of Salmonella inoculated directly into waxes, with a significant decline in Salmonella populations observed in vegetable-based wax coating but with populations unchanged over 7 days at 7 or 21°C in mineral oil-based and petroleum-based waxes. Salmonella cells could transfer from inoculated unwaxed cucumbers to brushes used for waxing and then to uninoculated cucumbers during waxing. A significantly higher log percentage of transfer to brushes was observed when cucumbers were waxed with vegetable oil (0.71 log percent, P = 0.00441) than with mineral oil (0.06 log percent) or petroleum (0.05 log percent). Transfer to uninoculated cucumbers via brushes was also quantified (0.18 to 0.35 log percent transfer). Salmonella remaining on contaminated cucumbers after waxing could be detected for up to 7 days, and Salmonella survived better on cucumbers treated with a petroleum-based wax. These findings should be useful in managing the risk of Salmonella contamination in cucumbers during postharvest handling. HIGHLIGHTS
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Affiliation(s)
- Jiin Jung
- Department of Food Science, Rutgers University, New Brunswick, New Jersey 08901, USA
| | - Donald W Schaffner
- Department of Food Science, Rutgers University, New Brunswick, New Jersey 08901, USA.,(ORCID: https://orcid.org/0000-0001-9200-0400 [D.W.S.])
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21
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Matheus JRV, de Assis RM, Correia TR, da Costa Marques MR, Leite MCAM, Pelissari FM, Miyahira RF, Fai AEC. Biodegradable and Edible Film Based on Persimmon (Diospyros kaki L.) Used as a Lid for Minimally Processed Vegetables Packaging. FOOD BIOPROCESS TECH 2021. [DOI: 10.1007/s11947-021-02595-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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22
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Basumatary IB, Mukherjee A, Katiyar V, Kumar S. Biopolymer-based nanocomposite films and coatings: recent advances in shelf-life improvement of fruits and vegetables. Crit Rev Food Sci Nutr 2020; 62:1912-1935. [DOI: 10.1080/10408398.2020.1848789] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Indra Bhusan Basumatary
- Department of Food Engineering and Technology, Central Institute of Technology Kokrajhar, Kokrajhar, Assam, India
| | - Avik Mukherjee
- Department of Food Engineering and Technology, Central Institute of Technology Kokrajhar, Kokrajhar, Assam, India
| | - Vimal Katiyar
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Santosh Kumar
- Department of Food Engineering and Technology, Central Institute of Technology Kokrajhar, Kokrajhar, Assam, India
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23
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Effect of High CO2 Treatment and MA Packaging on Sensory Quality and Physiological-Biochemical Characteristics of Green Asparagus (Asparagus officinalis L.) during Postharvest Storage. HORTICULTURAE 2020. [DOI: 10.3390/horticulturae6040084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Green asparagus is vulnerable to thrips that carry microorganisms and cause deterioration in quality. The effects of 60% CO2 treatment, which is used to kill thrips, combined with perforated (P) or modified atmosphere (MA) packages during cold storage, on the sensory quality and physiological–biochemical characteristics of asparagus were investigated. MA packaging yielded an asparagus shelf-life five days longer than P packaging. The 60% CO2 treatment for 48 h at 4 °C packaged with MA film (CO2-48 h-4 °C-MA) showed a lower number of aerobic bacteria, yeast, and mold. Yellowing of asparagus was retarded, as shown by higher hue angle and chlorophyll content and lower chlorophyllase activity. Also, CO2-48 h-4 °C-MA treatment inhibited the reduction of soluble solids content in asparagus. Likewise, all high CO2 treatments showed lower electrolyte leakage (EL), with CO2-48 h-4 °C-MA demonstrating the minimum EL. The effectiveness of high CO2 on maintaining sensory qualities was observed, with a score higher than 3.0. In conclusion, CO2-48 h-4 °C-MA treatment during cold storage was effective for maintaining post-harvest sensory qualities and physiological–biological traits of asparagus, and provided strong inhibition of microflora growth during the storage period.
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Wei Y, Zheng Y, Ma Y, Tong J, Zhang J, Zhang Y, Liang H, Zhao X. Microbiological and Physiological Attributes of Fresh-Cut Cucumbers in Controlled Atmosphere Storage. J Food Prot 2020; 83:1718-1725. [PMID: 32421793 DOI: 10.4315/jfp-19-618] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 05/16/2020] [Indexed: 11/11/2022]
Abstract
ABSTRACT Fresh-cut cucumbers are popular worldwide, but they are prone to spoilage due to tissue damage caused by processing. The effects of controlled atmosphere storage (CAS) at 3% O2 and 7% CO2 or 8% O2 and 2% CO2 on microorganisms and the quality of fresh-cut cucumbers (Cucumis sativus L. cv. Chinese Long) at 4°C and 90% relative humidity were investigated in this study. The results showed that compared with the control group, both controlled atmosphere treatments maintained chlorophyll concentration, appearance, and color of fresh-cut cucumbers effectively; inhibited respiration rate and polyphenoloxidase (PPO) and peroxidase (POD) activity; delayed the decrease in firmness and the increase in relative electrolyte leakage; and inhibited the growth of microorganisms on cucumbers during storage. On day 10, the chlorophyll concentration and firmness of cucumbers stored at 3% O2 and 7% CO2 was 1.15 and 1.04 times that of cucumbers stored at 8% O2 and 2% CO2, respectively. Respiration rate, relative electrolyte leakage, polyphenoloxidase activity, peroxidase activity, and levels of total bacteria, coliforms, and Pseudomonas spp. at 3% O2 and 7% CO2 were 19.79, 6.01, 5.45, 88.50, 18.07, 16.14, and 19.76% lower than at 8% O2 and 2% CO2, respectively. In conclusion, storage at 3% O2 and 7% CO2 was effective in inhibiting microorganisms and maintaining the quality of stored fresh-cut cucumbers. HIGHLIGHTS
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Affiliation(s)
- Yabo Wei
- College of Food Science, Shihezi University, Shihezi, Xinjiang 832000, People's Republic of China (ORCID: https://orcid.org/0000-0002-2543-9285 [J.T.]).,Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Sciences; Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, 50 Zhanghua Road, Haidian District, 100097, Beijing, People's Republic of China
| | - Yanyan Zheng
- Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Sciences; Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, 50 Zhanghua Road, Haidian District, 100097, Beijing, People's Republic of China
| | - Yue Ma
- Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Sciences; Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, 50 Zhanghua Road, Haidian District, 100097, Beijing, People's Republic of China
| | - Junmao Tong
- College of Food Science, Shihezi University, Shihezi, Xinjiang 832000, People's Republic of China (ORCID: https://orcid.org/0000-0002-2543-9285 [J.T.])
| | - Jian Zhang
- College of Food Science, Shihezi University, Shihezi, Xinjiang 832000, People's Republic of China (ORCID: https://orcid.org/0000-0002-2543-9285 [J.T.])
| | - Yan Zhang
- Longda Food Group Co. Ltd, Shandong 265231, People's Republic of China
| | - Hao Liang
- Longda Food Group Co. Ltd, Shandong 265231, People's Republic of China
| | - Xiaoyan Zhao
- Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Sciences; Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, 50 Zhanghua Road, Haidian District, 100097, Beijing, People's Republic of China
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25
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Zhang Y, Peng Y, Jia R, Wang Q, Lou X, Shi J. Sodium chloride combined with polypropylene film can maintain the quality of fresh-cut ginger. Food Packag Shelf Life 2020. [DOI: 10.1016/j.fpsl.2020.100541] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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26
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Pirozzi A, Pataro G, Donsì F, Ferrari G. Edible Coating and Pulsed Light to Increase the Shelf Life of Food Products. FOOD ENGINEERING REVIEWS 2020. [DOI: 10.1007/s12393-020-09245-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AbstractThe application of edible coatings (EC) in combination with pulsed light (PL) treatments represents an emerging approach for extending the shelf life of highly perishable but high value-added products, such as fresh-cut fruits and vegetables. The surface of these products would benefit from the protective effects of ECs and the PL decontamination capability. This review describes in detail the fundamentals of both EC and PL, focusing on the food engineering principles in the formulation and application of EC and the delivery of efficient PL treatments and the technological aspects related to the food characterization following these treatments and discussing the implementation of the two technologies, individually or in combination. The advantages of the combination of EC and PL are extensively discussed emphasizing the potential benefits that may be derived from their combination when preserving perishable foods. The downsides of combining EC and PL are also presented, with specific reference to the potential EC degradation when exposed to PL treatments and the screening effect of PL transmittance through the coating layer. Finally, the potential applications of the combined treatments to food products are highlighted, comparatively presenting the treatment conditions and the product shelf-life improvement.
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27
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Tian B, Liu Y. Chitosan‐based biomaterials: From discovery to food application. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.5010] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Bingren Tian
- College of Chemistry and Chemical Engineering Xinjiang University Urumqi, Xinjiang China
| | - Yumei Liu
- College of Chemistry and Chemical Engineering Xinjiang University Urumqi, Xinjiang China
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28
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Olawuyi IF, Kim SR, Hahn D, Lee WY. Influences of combined enzyme-ultrasonic extraction on the physicochemical characteristics and properties of okra polysaccharides. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2019.105396] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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29
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Cao X, Islam MN, Chitrakar B, Duan Z, Xu W, Zhong S. Effect of combined chlorogenic acid and chitosan coating on antioxidant, antimicrobial, and sensory properties of snakehead fish in cold storage. Food Sci Nutr 2020; 8:973-981. [PMID: 32148806 PMCID: PMC7020329 DOI: 10.1002/fsn3.1378] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 11/20/2019] [Accepted: 12/03/2019] [Indexed: 11/29/2022] Open
Abstract
Degradation of meat quality has always been a burning issue in fish preservation. To maintain the quality, a novel combination of chlorogenic acid (CGA) and chitosan (CS) coating was applied to snakehead fish fillets. Fish fillets were soaked into 2% chitosan (2CS), 0.2% CGA in 2% chitosan (0.2CGA/2CS), 0.5% CGA in 2% chitosan (0.5CGA/2CS), or 1.0% CGA in 2% chitosan (1.0CGA/2CS) solution; and then, coated samples were vacuum-packaged and stored at 2 ± 0.5°C. pH values, color values, microbial loads, hardness, sensory qualities, and oxidization of lipids and proteins of stored fish fillets were investigated for 5 months. Antimicrobial activity was found to be nonsignificant (p ≤ .05) among different coated fish fillets, while color, antioxidant, and pH values were significantly (p ≤ .05) different. Lipid oxidation and protein oxidation were found to be inhibited in 2CS-, 0.5CGA/2CS- and 1.0CGA/2CS-coated fish fillet. All CGA/CS coating delayed increase in pH (p ≤ .05) and resulted brown color. However, only CS coating resulted in higher sensory scores (p ≤ .05) and controlled browning. Considering antioxidant properties and other quality parameters, CGA/CS coating might be applied commercially in fish preservation.
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Affiliation(s)
- Xiaohuang Cao
- College of Food Science and TechnologyGuangdong Provincial Key Labotatory of Aquatic Product Processing and SafetyGuangdong Ocean UniversityZhanjiangChina
| | | | - Bimal Chitrakar
- Laboration of Food Science and TechnologyJiangnan UniversityJiangsuChina
| | - Zhenhua Duan
- Bioprocess EngineeringHezhou UniversityHezhouChina
| | - Wanxiu Xu
- Zhejiang Normal UniversityJinhuaChina
| | - Saiyi Zhong
- College of Food Science and TechnologyGuangdong Provincial Key Labotatory of Aquatic Product Processing and SafetyGuangdong Ocean UniversityZhanjiangChina
- Collaborative Innovation Center of Seafood Deep ProcessingDalian Polytechnic UniversityDalianChina
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30
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Shyu YS, Chen GW, Chiang SC, Sung WC. Effect of Chitosan and Fish Gelatin Coatings on Preventing the Deterioration and Preserving the Quality of Fresh-Cut Apples. Molecules 2019; 24:molecules24102008. [PMID: 31130642 PMCID: PMC6572066 DOI: 10.3390/molecules24102008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 05/18/2019] [Accepted: 05/23/2019] [Indexed: 11/16/2022] Open
Abstract
The effect of fish gelatin and chitosan coatings on the physicochemical characteristics of fresh-cut apples (Malus pumila Mill.), stored at 5 °C and 22 °C, was investigated. Chitosan provided an effective control for microbial growth, maintained firmness during 4 days of storage at room temperature (22 °C), and 12 days at refrigerator (5 °C). The results indicated that chitosan coating caused a significant decrease (p < 0.05) in the L* value of cube color of cut apples. Fish gelatin-chitosan coatings mitigated the L* value and decrease in hue angle of the cut apple samples, at cold storage. Experimental results showed that fish gelatin-chitosan and chitosan coatings, can be used to mitigate the formation of vitamin C, due to respiration, microbial growth, and weight loss at cold storage. Fish gelatin-chitosan coating might be a better combination for maintaining appearance and extending shelf-life of cut apples, compared to only chitosan coatings.
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Affiliation(s)
- Yung-Shin Shyu
- Department of Baking Technology and Management, National Kaohsiung University of Hospitality and Tourism, No.1, Songhe Rd., Xiaogang Dist., Kaohsiung City 81271, Taiwan.
| | - Guan-Wen Chen
- Department of Food Science, National Taiwan Ocean University, 2 Pei-Ning Road, Keelung 20224, Taiwan.
| | - Shao-Ching Chiang
- Department of Food Science, National Taiwan Ocean University, 2 Pei-Ning Road, Keelung 20224, Taiwan.
| | - Wen-Chieh Sung
- Department of Food Science, National Taiwan Ocean University, 2 Pei-Ning Road, Keelung 20224, Taiwan.
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 20224, Taiwan.
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